To help you locate buildings, here is a MAP of Georgetown University. The Medical Center is on the north side of campus - click the little circle next to Medical Center to the left of the map and click the + to zoom in once.

The Department of Pharmacology is in the Medical Dental building which is a four story brick building on the north side of campus on Reservoir Road. The Department office is on the fourth floor in the southeast wing (SE402 Med/Dent).